It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 988 is not a prime number.
For example, 988 988 can be divided by 2: 988 988 / 2 = 494 494.
For 988 988 to be a prime number, it would have been required that 988 988 has only two divisors, i.e., itself and 1.
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988 988 is an even number, because it is evenly divisible by 2: 988 988 / 2 = 494 494.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 988 988 is about 994.479.
Thus, the square root of 988 988 is not an integer, and therefore 988 988 is not a square number.
The square of a number (here 988 988) is the result of the product of this number (988 988) by itself (i.e., 988 988 × 988 988); the square of 988 988 is sometimes called "raising 988 988 to the power 2", or "988 988 squared".
The square of 988 988 is 978 097 264 144 because 988 988 × 988 988 = 988 9882 = 978 097 264 144.
As a consequence, 988 988 is the square root of 978 097 264 144.
The multiples of 988 988 are all integers evenly divisible by 988 988, that is all numbers such that the remainder of the division by 988 988 is zero. There are infinitely many multiples of 988 988. The smallest multiples of 988 988 are: